A293448 - cp's OEIS frontend

A293448 Self-inverse permutation of natural numbers: replace (with multiplicity) each prime factor A000040(k) with A000040(min+(max-k)) in the prime factorization of n, where min = A055396(n) and max = A061395(n).

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	18
13	13
14	14
15	15
16	16
17	17
18	12
19	19
20	50
21	21
22	22
23	23
24	54
25	25
26	26
27	27
28	98
29	29
30	30
31	31
32	32
33	33
34	34
35	35
36	36
37	37
38	38
39	39
40	250
41	41
42	70
43	43
44	242
45	75
46	46
47	47
48	162
49	49
50	20
51	51
52	338
53	53
54	24
55	55
56	686
57	57
58	58
59	59
60	150
61	61
62	62
63	147
64	64
65	65
66	154
67	67
68	578
69	69
70	42
71	71
72	108
73	73
74	74
75	45
76	722
77	77
78	286
79	79
80	1250
81	81
82	82
83	83

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 18, 13, 14, 15, 16, 17, 12, 19, 50, 21, 22, 23, 54, 25, 26, 27, 98, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 250, 41, 70, 43, 242, 75, 46, 47, 162, 49, 20, 51, 338, 53, 24, 55, 686, 57, 58, 59, 150, 61, 62, 147, 64, 65, 154, 67, 578, 69, 42, 71, 108, 73, 74, 45, 722, 77, 286, 79, 1250, 81, 82, 83]

cp's OEIS Frontend

A293448 Self-inverse permutation of natural numbers: replace (with multiplicity) each prime factor A000040(k) with A000040(min+(max-k)) in the prime factorization of n, where min = A055396(n) and max = A061395(n).

Table of values

List of values